EP 0177666 B1 19890607 - INK METERING ROLLER FOR LITHOGRAPHIC PRINTING AND PROCESS FOR PRODUCING SAME
Title (en)
INK METERING ROLLER FOR LITHOGRAPHIC PRINTING AND PROCESS FOR PRODUCING SAME
Publication
Application
Priority
US 64977384 A 19840912
Abstract (en)
[origin: US4537127A] A steel ink metering roller for use in lithographic printing having an engraved surface that has been nitride hardened followed by an oxidizing process that results in a surface with a composition of mainly Fe3O4.
IPC 1-7
IPC 8 full level
B41F 7/36 (2006.01); B41F 13/08 (2006.01); B41F 27/10 (2006.01); B41F 31/26 (2006.01); B41N 7/06 (2006.01)
CPC (source: EP US)
B41N 7/06 (2013.01 - EP US); B41N 2207/02 (2013.01 - EP US); B41N 2207/10 (2013.01 - EP US)
Citation (opposition)
Opponent : Heidelberger
- DE 2934113 A1 19810409 - DEGUSSA [DE]
- JP S5856855 A 19830404 - TOKYO KIKAI SEISAKUSHO LTD
- US 3924313 A 19751209 - BRODERICK FRANK WILLIAM
Designated contracting state (EPC)
CH DE FR GB LI SE
DOCDB simple family (publication)
US 4537127 A 19850827; AU 4730485 A 19860320; AU 580092 B2 19881222; BE 903216 A 19860312; CA 1224081 A 19870714; DE 3570853 D1 19890713; EP 0177666 A2 19860416; EP 0177666 A3 19860730; EP 0177666 B1 19890607; JP H0425867 B2 19920501; JP S6168250 A 19860408
DOCDB simple family (application)
US 64977384 A 19840912; AU 4730485 A 19850910; BE 2060788 A 19850912; CA 475807 A 19850306; DE 3570853 T 19850307; EP 85102583 A 19850307; JP 5561885 A 19850319